diff --git a/postgres/Dockerfile b/postgres/Dockerfile
index 5f5057cf7..4c3e9ef2a 100644
--- a/postgres/Dockerfile
+++ b/postgres/Dockerfile
@@ -74,6 +74,8 @@ RUN chmod 777 /ha_entrypoint.sh /ha_entrypoint_modif.sh && /ha_entrypoint_modif.
 
 RUN chmod 777 /docker-entrypoint-initdb.d/*
 
+RUN echo -e "\n# Simulate long-running process to allow signal handling\nwhile true; do\n    sleep 1\ndone" >> /ha_entrypoint.sh
+
 WORKDIR /config
 ENTRYPOINT [ "/ha_entrypoint.sh" ]